:root {
  /* Minimalist Theme */
  --bg-color: #f4f4f4;
  --card-bg: #ffffff;
  --text-main: #434343;
  --text-dark: #222222;
  --text-muted: #737373;
  --input-border: #d1d1d1;
  --input-focus: #522c8a;
  --btn-primary: #ff2449;
  --btn-hover: #e01e3e;
  --border-radius: 3px;
  --border-color: #e0e0e0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

/* Base Container */
.container {
  width: 100%;
  max-width: 600px;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
}

/* Header & Form Layout */
.form-wrapper {
  padding: 2.5rem 3rem;
  width: 100%;
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.form-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.form-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.grid-2 {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

/* Form Groups & Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.form-group.full-width {
  margin-bottom: 1rem;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

input, select, textarea {
  background-color: #ffffff;
  border: 1px solid var(--input-border);
  color: var(--text-dark);
  padding: 0.6rem 0.8rem;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 1px var(--input-focus);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23434343' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
}

/* Links */
.link-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: underline;
  margin-top: 0.5rem;
  display: inline-block;
}

.link-hint:hover {
  text-decoration: none;
  color: var(--text-dark);
}

/* Button */
.btn-primary {
  background-color: var(--btn-primary);
  color: #ffffff;
  border: none;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color 0.2s;
  display: inline-block;
  width: auto;
  align-self: flex-start;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--btn-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Loader */
.loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: var(--btn-primary);
  animation: spin 1s ease-in-out infinite;
  margin: 0 auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Search results */
.search-results {
  margin-top: 2rem;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: none;
}

.result-card {
  background: var(--card-bg);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border-left: 4px solid var(--btn-primary);
  border: 1px solid var(--border-color);
  border-left-width: 4px;
}

.result-code {
  font-size: 1.5rem;
  color: var(--text-dark);
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.result-desc {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.5;
}

.iti {
  width: 100%;
}

/* Responsive */
@media (max-width: 768px) {
  .form-wrapper {
    padding: 1.5rem;
  }
}

/* Map Button */
.input-map-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-map-wrapper input {
  flex: 1;
}

.btn-map {
  width: 42px;
  height: 42px;
  border: 1px solid var(--input-border);
  background: #fff;
  color: var(--text-dark);
  font-size: 18px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-map:hover {
  background: var(--bg-color);
  border-color: var(--border-color);
}

.btn-map:active {
  background: #e8e8e8;
  transform: scale(0.96);
}

.btn-map:active {
  background: #e0e0e0;
  transform: scale(0.95);
}

/* Navbar */
.top-navbar {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: #0b0f19; 
}

.back-link {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
  transition: 0.2s;
}

.back-link:hover {
  opacity: 1;
}